Sentences with phrase «ancient stars»

Ancient star clusters are the fossils of the astronomical world.
Using observations of ancient stars with W. M. Keck Observatory's 10 - meter telescope and state - of - the - art models of their atmospheres has shown that there is no conflict between their lithium - 6 and lithium - 7 content and predictions of the standard theory of Big Bang nucleosynthesis, restoring thus the order in our theory of the early universe.
Both would have been born from massive stars that evolved in close proximity in ancient star factories as a binary pair, eventually dying as supernovas.
The star was discovered using the ANU SkyMapper telescope at the Siding Spring Observatory, which is searching for ancient stars as it conducts a five - year project to produce the first digital map the southern sky.
Globular clusters contain some of the most ancient stars in the Universe.
Heretical texts, ancient star maps, and sacred geometries come together in one impossible heist.
Everyday Einstein explains how we determine the age of our universe from ancient stars and relic radiation left over from the big bang
They found four smudges of light — possibly galaxies — in the area, as well as a blob - shaped galaxy full of ancient stars on the region's periphery.
-LSB-...] «Without any doubt it is a great thing to add innumerable other stars to the immense multitude of fixed stars that until today it has been possible to discern with the natural faculty of sight, and which exceed by more than ten times the number of ancient stars already recorded».
We are made of stardust, the scientists say — the iron in our blood, the calcium in our bones, and the chlorine in our skin forged in the furnaces of ancient stars whose explosions scattered the elements across the galaxy.
Just as your eyes can see visible light but not radio waves or x-rays, Webb's vision is tuned for the infrared — a portion of the spectrum ideal for studying ancient stars and galaxies, but where oxygen's barcode - like absorption lines are rather slight and sparse.
But new observations from NASA's Hubble Space Telescope have revealed ancient stars mingled with the young ones, proving the galaxy as a whole is in fact as old as its neighbors.
Within this field of view astronomers detected several ancient stars, of a type known as RR Lyrae.
Most of the galaxy's stars, including the sun, reside in a thin, pancake - shaped disk, but ancient stars populate a halo surrounding the disk.
Second - generation stars made from this debris would still have relatively little iron, like any other ancient star, but they'd have correspondingly little nitrogen as well.
They are dense crowds of ancient stars bound together by their own gravitation.
Globular Clusters are a fascinating objects to view and can be easily seen with binoculars, they are groups of ancient stars huddled together and orbiting the central bulge of our galaxy.
Using the Keck Observatory, an international team of researchers led by Professor Forbes of Swinburne University of Technology has determined ancient star clusters, known as globular clusters, formed in two epochs — 12.5 and 11.5 billion years ago.
Time is set at a terminal velocity and my brain drags in the distance — memories glimmer dimly like ancient stars in a rapidly expanding universe.
Dubbed Terzan 5, the rare fossil relic of the early Milky Way contains stars that are remarkably similar to the most ancient stars in our galaxy.
Comets are made up of materials from ancient stars, interstellar clouds, and the birth of our Solar System.
The experiment's result reinforces what scientists call the lithium problem, a discrepancy between the amounts of the element thought to have been produced 13.8 billion years ago and the amounts observed in ancient stars.
Shectman investigates the large - scale structure of the distribution of galaxies; searches for ancient stars; develops novel and creative astronomical instruments; and constructs large telescopes.
Maunakea, Hawaii — Using a new age - dating method and the W. M. Keck Observatory on Maunakea, an international team of astronomers have determined that ancient star clusters formed in two... Read more»
A 21 - year study of a pair of ancient stars — one a pulsar and the other a white dwarf — helps astronomers understand how gravity works across the cosmos.
A solitary planet in an eccentric orbit around an ancient star may help astronomers understand exactly how such planetary systems are formed.
They're like the preserved remnants of an ancient star, and examining them is like doing astronomical archaeology... on a scale 60 trillion kilometers (40 trillion miles) across.
The object is located in the center of a colorful cloud of material consisting of the remains of an ancient star that exploded as a massive supernova.
Yet the telltale chemical signatures this should have left have not been observed in the ancient stars» early descendants that roam our galaxy.
THE MOTIVE How do you determine the age of an ancient star?
«To make this ancient star, you need no more than an Australia - sized asteroid of iron and lots of carbon.
The ancient star is around 6,000 light years from Earth, which Dr Keller says is relatively close in astronomical terms.
But this doesn't work for an ancient star nearby.
But the ancient star shows signs of pollution with lighter elements such as carbon and magnesium, and no sign of pollution with iron.
The number of neutrons on earth is a direct result of BBN and later processes that occurred in ancient stars.
For the past two years, Winget and his colleagues at the University of Texas at Austin and Sandia National Laboratory in Albuquerque, New Mexico, have been creating searing plasmas that are, in effect, miniature versions of white dwarfs, ancient stars that have burned up all their nuclear fuel.
Scientists want to learn more about these ancient stars, which have never been observed directly, because they injected the first doses of carbon, oxygen and other crucial elements into the cosmos.
The object, known as SDSS J0104 +1535, is a member of the so - called halo — the outermost reaches — of our Galaxy, made up of the most ancient stars.
The chemical fingerprint of an ancient star suggests its predecessors were more massive than thought, ending up as huge supernovae
Ancient stars, of a type known as RR Lyrae, have been discovered in the centre of the Milky Way for the first time, using ESO's infrared VISTA telescope.
Part I: An astronomer armed with some equations and an Indiana Jones thirst for lost treasures has found an ancient star map where no one thought to look: on public display in a museum.
Among the stunning shots taken this week were those of the Lagoon Nebula, about 3600 light years away from Earth; the 47 Tucanae cluster of several million ancient stars about 15,000 light years from Earth; and the face - on barred spiral galaxy NGC 6744 in the star - rich southern constellation of Pavo, about 30 million light years away.
An ancient star (inset) divulges the explosion of one of the universe's first stars, which in this artist's conception was located in a cluster (main image)
An ancient star a mere thousand light - years from Earth bears chemical elements that may have been forged by the death of a star that was both extremely massive and one of the first to arise after the big bang.
The planet lives 2200 light - years away inside the Helmi stream, a ring of ancient stars that cuts through the plane of the Milky Way.
These ancient stars bunched into a spherical formation within the halos, creating the hundreds of globular clusters seen in the Milky Way and other galaxies.
Now a large, new study contradicts this assumption, finding that giant elliptical galaxies — round or ellipsoidal systems full of ancient stars — spawned an excess of little stars just after the big bang.
And even in the core of the Milky Way, which formed earlier and where the odds are greatest of finding an ancient star, Loeb says, «they still represent less than 1 percent of all stars.»
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